295/70R17 vs 35x12.50R17

35x12.50R17 is 1.7" taller than 295/70R17 (5.2%)

Diameter difference+5.23%diameter 33.26" → 35.00"
295/70R1735x12.50R17
295/70R1735x12.50R17Difference
Overall diameter33.26"35.00"+1.74"
Section width11.61"12.50"+0.89"
Sidewall height8.13"9.00"+0.87"
Circumference104.5"110.0"+5.5"
Revolutions per mile606576−30
Wheel diameter17"17"±0"

Speedometer

ShowsActualDiff
30 mph31.6 mph+1.6
45 mph47.4 mph+2.4
60 mph63.1 mph+3.1
70 mph73.7 mph+3.7
80 mph84.2 mph+4.2

Gear ratio to match

CurrentEquivalent
3.423.60
3.553.74
3.733.93
4.104.31

35x12.50R17 is 1.74" taller than 295/70R17, a +5.23% change in diameter. That is more than the 3% many tire shops use as a limit, so plan on recalibrating the speedometer and checking ABS and stability control.

Ground clearance changes by 0.87" (half the diameter change), and the tire needs 0.87" more room above it.

35x12.50R17 is 0.89" wider. On the same wheel offset about half of that, 0.44", moves toward the suspension and half toward the fender.

Both fit a 17" wheel; the sidewall is 0.87" taller on 35x12.50R17.

Details: 295/70R17 in inches · 35x12.50R17 in inches · change sizes in the calculator

FAQ

What is the difference between 295/70R17 and 35x12.50R17?

35x12.50R17 is 1.74" taller (+5.23%) and 0.89" wider than 295/70R17.

Will 35x12.50R17 change my speedometer?

Yes, by +5.23%. When the speedometer shows 60 mph you would be going 63.1 mph.

Can I replace 295/70R17 with 35x12.50R17?

It is a +5.2% diameter change, larger than the common 3% guideline, so check clearance and plan to recalibrate.